Samsung Analysis

Load Library

library(tree)
library(stringr)
library(randomForest)

## randomForest 4.6-7

## Type rfNews() to see new features/changes/bug fixes.

Processing

Download the data & read the data in

setwd("/Users/Carlos/Dropbox/Courses/Data Analysis/Exercices/Data Analysis/Data Analysis 2/code/SamsungAnalysis/")
getwd()

## [1] "/Users/Carlos/Dropbox/Courses/Data Analysis/Exercices/Data Analysis/Data Analysis 2/code/SamsungAnalysis"

if (!file.exists("../../data/samsungData.rda")) {
    download.file("https://spark-public.s3.amazonaws.com/dataanalysis/samsungData.rda", 
        destfile = "../../data/samsungData.rda", method = "curl")
    dateDownloaded <- date()
    dateDownloaded
}

load("../../data/samsungData.rda")

Munging Data

punct <- c("\\(", "\\)", "\\-", "\\,")
for (i in punct) {
    names(samsungData) <- str_replace_all(names(samsungData), i, "_")
}
samsungData$activity <- as.factor(samsungData$activity)
samsungData$activityNum <- as.numeric(samsungData$activity)

Look at the data set

# head(samsungData) summary(samsungData) sapply(samsungData[1, ], class)
table(samsungData$activity)

## 
##   laying  sitting standing     walk walkdown   walkup 
##     1407     1286     1374     1226      986     1073

table(mapply(FUN = class, samsungData))

## 
##  factor integer numeric 
##       1       1     562

Find out about missing values

sum(is.na(samsungData))

## [1] 0

Prediction

1. Find the right data

2. Define your error rate

3. Split data into

Training

For this analysis the training set must include the data from subjects 1, 3, 5, and 6

trainingSet <- samsungData[samsungData$subject == c(1, 3, 5, 6), ]

Testing

The test set is the data from subjects 27, 28, 29, and 30

testSet <- samsungData[samsungData$subject == c(27, 28, 29, 30), ]

for (i in 1:562) {
    ## plot(trainingSet[,i], pch=19, col=trainingSet$activityNum,
    ## ylab=names(trainingSet)[i])
    print(names(trainingSet)[i])
    boxplot(trainingSet[, i] ~ trainingSet$activity, data = trainingSet, main = names(trainingSet)[i], 
        ylab = names(trainingSet)[i])
}

## [1] "tBodyAcc_mean___X"

## [1] "tBodyAcc_mean___Y"

## [1] "tBodyAcc_mean___Z"

## [1] "tBodyAcc_std___X"

## [1] "tBodyAcc_std___Y"

## [1] "tBodyAcc_std___Z"

## [1] "tBodyAcc_mad___X"

## [1] "tBodyAcc_mad___Y"

## [1] "tBodyAcc_mad___Z"

## [1] "tBodyAcc_max___X"

## [1] "tBodyAcc_max___Y"

## [1] "tBodyAcc_max___Z"

## [1] "tBodyAcc_min___X"

## [1] "tBodyAcc_min___Y"

## [1] "tBodyAcc_min___Z"

## [1] "tBodyAcc_sma__"

## [1] "tBodyAcc_energy___X"

## [1] "tBodyAcc_energy___Y"

## [1] "tBodyAcc_energy___Z"

## [1] "tBodyAcc_iqr___X"

## [1] "tBodyAcc_iqr___Y"

## [1] "tBodyAcc_iqr___Z"

## [1] "tBodyAcc_entropy___X"

## [1] "tBodyAcc_entropy___Y"

## [1] "tBodyAcc_entropy___Z"

## [1] "tBodyAcc_arCoeff___X_1"

## [1] "tBodyAcc_arCoeff___X_2"

## [1] "tBodyAcc_arCoeff___X_3"

## [1] "tBodyAcc_arCoeff___X_4"

## [1] "tBodyAcc_arCoeff___Y_1"

## [1] "tBodyAcc_arCoeff___Y_2"

## [1] "tBodyAcc_arCoeff___Y_3"

## [1] "tBodyAcc_arCoeff___Y_4"

## [1] "tBodyAcc_arCoeff___Z_1"

## [1] "tBodyAcc_arCoeff___Z_2"

## [1] "tBodyAcc_arCoeff___Z_3"

## [1] "tBodyAcc_arCoeff___Z_4"

## [1] "tBodyAcc_correlation___X_Y"

## [1] "tBodyAcc_correlation___X_Z"

## [1] "tBodyAcc_correlation___Y_Z"

## [1] "tGravityAcc_mean___X"

## [1] "tGravityAcc_mean___Y"

## [1] "tGravityAcc_mean___Z"

## [1] "tGravityAcc_std___X"

## [1] "tGravityAcc_std___Y"

## [1] "tGravityAcc_std___Z"

## [1] "tGravityAcc_mad___X"

## [1] "tGravityAcc_mad___Y"

## [1] "tGravityAcc_mad___Z"

## [1] "tGravityAcc_max___X"

## [1] "tGravityAcc_max___Y"

## [1] "tGravityAcc_max___Z"

## [1] "tGravityAcc_min___X"

## [1] "tGravityAcc_min___Y"

## [1] "tGravityAcc_min___Z"

## [1] "tGravityAcc_sma__"

## [1] "tGravityAcc_energy___X"

## [1] "tGravityAcc_energy___Y"

## [1] "tGravityAcc_energy___Z"

## [1] "tGravityAcc_iqr___X"

## [1] "tGravityAcc_iqr___Y"

## [1] "tGravityAcc_iqr___Z"

## [1] "tGravityAcc_entropy___X"

## [1] "tGravityAcc_entropy___Y"

## [1] "tGravityAcc_entropy___Z"

## [1] "tGravityAcc_arCoeff___X_1"

## [1] "tGravityAcc_arCoeff___X_2"

## [1] "tGravityAcc_arCoeff___X_3"

## [1] "tGravityAcc_arCoeff___X_4"

## [1] "tGravityAcc_arCoeff___Y_1"

## [1] "tGravityAcc_arCoeff___Y_2"

## [1] "tGravityAcc_arCoeff___Y_3"

## [1] "tGravityAcc_arCoeff___Y_4"

## [1] "tGravityAcc_arCoeff___Z_1"

## [1] "tGravityAcc_arCoeff___Z_2"

## [1] "tGravityAcc_arCoeff___Z_3"

## [1] "tGravityAcc_arCoeff___Z_4"

## [1] "tGravityAcc_correlation___X_Y"

## [1] "tGravityAcc_correlation___X_Z"

## [1] "tGravityAcc_correlation___Y_Z"

## [1] "tBodyAccJerk_mean___X"

## [1] "tBodyAccJerk_mean___Y"

## [1] "tBodyAccJerk_mean___Z"

## [1] "tBodyAccJerk_std___X"

## [1] "tBodyAccJerk_std___Y"

## [1] "tBodyAccJerk_std___Z"

## [1] "tBodyAccJerk_mad___X"

## [1] "tBodyAccJerk_mad___Y"

## [1] "tBodyAccJerk_mad___Z"

## [1] "tBodyAccJerk_max___X"

## [1] "tBodyAccJerk_max___Y"

## [1] "tBodyAccJerk_max___Z"

## [1] "tBodyAccJerk_min___X"

## [1] "tBodyAccJerk_min___Y"

## [1] "tBodyAccJerk_min___Z"

## [1] "tBodyAccJerk_sma__"

## [1] "tBodyAccJerk_energy___X"

## [1] "tBodyAccJerk_energy___Y"

## [1] "tBodyAccJerk_energy___Z"

## [1] "tBodyAccJerk_iqr___X"

## [1] "tBodyAccJerk_iqr___Y"

## [1] "tBodyAccJerk_iqr___Z"

## [1] "tBodyAccJerk_entropy___X"

## [1] "tBodyAccJerk_entropy___Y"

## [1] "tBodyAccJerk_entropy___Z"

## [1] "tBodyAccJerk_arCoeff___X_1"

## [1] "tBodyAccJerk_arCoeff___X_2"

## [1] "tBodyAccJerk_arCoeff___X_3"

## [1] "tBodyAccJerk_arCoeff___X_4"

## [1] "tBodyAccJerk_arCoeff___Y_1"

## [1] "tBodyAccJerk_arCoeff___Y_2"

## [1] "tBodyAccJerk_arCoeff___Y_3"

## [1] "tBodyAccJerk_arCoeff___Y_4"

## [1] "tBodyAccJerk_arCoeff___Z_1"

## [1] "tBodyAccJerk_arCoeff___Z_2"

## [1] "tBodyAccJerk_arCoeff___Z_3"

## [1] "tBodyAccJerk_arCoeff___Z_4"

## [1] "tBodyAccJerk_correlation___X_Y"

## [1] "tBodyAccJerk_correlation___X_Z"

## [1] "tBodyAccJerk_correlation___Y_Z"

## [1] "tBodyGyro_mean___X"

## [1] "tBodyGyro_mean___Y"

## [1] "tBodyGyro_mean___Z"

## [1] "tBodyGyro_std___X"

## [1] "tBodyGyro_std___Y"

## [1] "tBodyGyro_std___Z"

## [1] "tBodyGyro_mad___X"

## [1] "tBodyGyro_mad___Y"

## [1] "tBodyGyro_mad___Z"

## [1] "tBodyGyro_max___X"

## [1] "tBodyGyro_max___Y"

## [1] "tBodyGyro_max___Z"

## [1] "tBodyGyro_min___X"

## [1] "tBodyGyro_min___Y"

## [1] "tBodyGyro_min___Z"

## [1] "tBodyGyro_sma__"

## [1] "tBodyGyro_energy___X"

## [1] "tBodyGyro_energy___Y"

## [1] "tBodyGyro_energy___Z"

## [1] "tBodyGyro_iqr___X"

## [1] "tBodyGyro_iqr___Y"

## [1] "tBodyGyro_iqr___Z"

## [1] "tBodyGyro_entropy___X"

## [1] "tBodyGyro_entropy___Y"

## [1] "tBodyGyro_entropy___Z"

## [1] "tBodyGyro_arCoeff___X_1"

## [1] "tBodyGyro_arCoeff___X_2"

## [1] "tBodyGyro_arCoeff___X_3"

## [1] "tBodyGyro_arCoeff___X_4"

## [1] "tBodyGyro_arCoeff___Y_1"

## [1] "tBodyGyro_arCoeff___Y_2"

## [1] "tBodyGyro_arCoeff___Y_3"

## [1] "tBodyGyro_arCoeff___Y_4"

## [1] "tBodyGyro_arCoeff___Z_1"

## [1] "tBodyGyro_arCoeff___Z_2"

## [1] "tBodyGyro_arCoeff___Z_3"

## [1] "tBodyGyro_arCoeff___Z_4"

## [1] "tBodyGyro_correlation___X_Y"

## [1] "tBodyGyro_correlation___X_Z"

## [1] "tBodyGyro_correlation___Y_Z"

## [1] "tBodyGyroJerk_mean___X"

## [1] "tBodyGyroJerk_mean___Y"

## [1] "tBodyGyroJerk_mean___Z"

## [1] "tBodyGyroJerk_std___X"

## [1] "tBodyGyroJerk_std___Y"

## [1] "tBodyGyroJerk_std___Z"

## [1] "tBodyGyroJerk_mad___X"

## [1] "tBodyGyroJerk_mad___Y"

## [1] "tBodyGyroJerk_mad___Z"

## [1] "tBodyGyroJerk_max___X"

## [1] "tBodyGyroJerk_max___Y"

## [1] "tBodyGyroJerk_max___Z"

## [1] "tBodyGyroJerk_min___X"

## [1] "tBodyGyroJerk_min___Y"

## [1] "tBodyGyroJerk_min___Z"

## [1] "tBodyGyroJerk_sma__"

## [1] "tBodyGyroJerk_energy___X"

## [1] "tBodyGyroJerk_energy___Y"

## [1] "tBodyGyroJerk_energy___Z"

## [1] "tBodyGyroJerk_iqr___X"

## [1] "tBodyGyroJerk_iqr___Y"

## [1] "tBodyGyroJerk_iqr___Z"

## [1] "tBodyGyroJerk_entropy___X"

## [1] "tBodyGyroJerk_entropy___Y"

## [1] "tBodyGyroJerk_entropy___Z"

## [1] "tBodyGyroJerk_arCoeff___X_1"

## [1] "tBodyGyroJerk_arCoeff___X_2"

## [1] "tBodyGyroJerk_arCoeff___X_3"

## [1] "tBodyGyroJerk_arCoeff___X_4"

## [1] "tBodyGyroJerk_arCoeff___Y_1"

## [1] "tBodyGyroJerk_arCoeff___Y_2"

## [1] "tBodyGyroJerk_arCoeff___Y_3"

## [1] "tBodyGyroJerk_arCoeff___Y_4"

## [1] "tBodyGyroJerk_arCoeff___Z_1"

## [1] "tBodyGyroJerk_arCoeff___Z_2"

## [1] "tBodyGyroJerk_arCoeff___Z_3"

## [1] "tBodyGyroJerk_arCoeff___Z_4"

## [1] "tBodyGyroJerk_correlation___X_Y"

## [1] "tBodyGyroJerk_correlation___X_Z"

## [1] "tBodyGyroJerk_correlation___Y_Z"

## [1] "tBodyAccMag_mean__"

## [1] "tBodyAccMag_std__"

## [1] "tBodyAccMag_mad__"

## [1] "tBodyAccMag_max__"

## [1] "tBodyAccMag_min__"

## [1] "tBodyAccMag_sma__"

## [1] "tBodyAccMag_energy__"

## [1] "tBodyAccMag_iqr__"

## [1] "tBodyAccMag_entropy__"

## [1] "tBodyAccMag_arCoeff__1"

## [1] "tBodyAccMag_arCoeff__2"

## [1] "tBodyAccMag_arCoeff__3"

## [1] "tBodyAccMag_arCoeff__4"

## [1] "tGravityAccMag_mean__"

## [1] "tGravityAccMag_std__"

## [1] "tGravityAccMag_mad__"

## [1] "tGravityAccMag_max__"

## [1] "tGravityAccMag_min__"

## [1] "tGravityAccMag_sma__"

## [1] "tGravityAccMag_energy__"

## [1] "tGravityAccMag_iqr__"

## [1] "tGravityAccMag_entropy__"

## [1] "tGravityAccMag_arCoeff__1"

## [1] "tGravityAccMag_arCoeff__2"

## [1] "tGravityAccMag_arCoeff__3"

## [1] "tGravityAccMag_arCoeff__4"

## [1] "tBodyAccJerkMag_mean__"

## [1] "tBodyAccJerkMag_std__"

## [1] "tBodyAccJerkMag_mad__"

## [1] "tBodyAccJerkMag_max__"

## [1] "tBodyAccJerkMag_min__"

## [1] "tBodyAccJerkMag_sma__"

## [1] "tBodyAccJerkMag_energy__"

## [1] "tBodyAccJerkMag_iqr__"

## [1] "tBodyAccJerkMag_entropy__"

## [1] "tBodyAccJerkMag_arCoeff__1"

## [1] "tBodyAccJerkMag_arCoeff__2"

## [1] "tBodyAccJerkMag_arCoeff__3"

## [1] "tBodyAccJerkMag_arCoeff__4"

## [1] "tBodyGyroMag_mean__"

## [1] "tBodyGyroMag_std__"

## [1] "tBodyGyroMag_mad__"

## [1] "tBodyGyroMag_max__"

## [1] "tBodyGyroMag_min__"

## [1] "tBodyGyroMag_sma__"

## [1] "tBodyGyroMag_energy__"

## [1] "tBodyGyroMag_iqr__"

## [1] "tBodyGyroMag_entropy__"

## [1] "tBodyGyroMag_arCoeff__1"

## [1] "tBodyGyroMag_arCoeff__2"

## [1] "tBodyGyroMag_arCoeff__3"

## [1] "tBodyGyroMag_arCoeff__4"

## [1] "tBodyGyroJerkMag_mean__"

## [1] "tBodyGyroJerkMag_std__"

## [1] "tBodyGyroJerkMag_mad__"

## [1] "tBodyGyroJerkMag_max__"

## [1] "tBodyGyroJerkMag_min__"

## [1] "tBodyGyroJerkMag_sma__"

## [1] "tBodyGyroJerkMag_energy__"

## [1] "tBodyGyroJerkMag_iqr__"

## [1] "tBodyGyroJerkMag_entropy__"

## [1] "tBodyGyroJerkMag_arCoeff__1"

## [1] "tBodyGyroJerkMag_arCoeff__2"

## [1] "tBodyGyroJerkMag_arCoeff__3"

## [1] "tBodyGyroJerkMag_arCoeff__4"

## [1] "fBodyAcc_mean___X"

## [1] "fBodyAcc_mean___Y"

## [1] "fBodyAcc_mean___Z"

## [1] "fBodyAcc_std___X"

## [1] "fBodyAcc_std___Y"

## [1] "fBodyAcc_std___Z"

## [1] "fBodyAcc_mad___X"

## [1] "fBodyAcc_mad___Y"

## [1] "fBodyAcc_mad___Z"

## [1] "fBodyAcc_max___X"

## [1] "fBodyAcc_max___Y"

## [1] "fBodyAcc_max___Z"

## [1] "fBodyAcc_min___X"

## [1] "fBodyAcc_min___Y"

## [1] "fBodyAcc_min___Z"

## [1] "fBodyAcc_sma__"

## [1] "fBodyAcc_energy___X"

## [1] "fBodyAcc_energy___Y"

## [1] "fBodyAcc_energy___Z"

## [1] "fBodyAcc_iqr___X"

## [1] "fBodyAcc_iqr___Y"

## [1] "fBodyAcc_iqr___Z"

## [1] "fBodyAcc_entropy___X"

## [1] "fBodyAcc_entropy___Y"

## [1] "fBodyAcc_entropy___Z"

## [1] "fBodyAcc_maxInds_X"

## [1] "fBodyAcc_maxInds_Y"

## [1] "fBodyAcc_maxInds_Z"

## [1] "fBodyAcc_meanFreq___X"

## [1] "fBodyAcc_meanFreq___Y"

## [1] "fBodyAcc_meanFreq___Z"

## [1] "fBodyAcc_skewness___X"

## [1] "fBodyAcc_kurtosis___X"

## [1] "fBodyAcc_skewness___Y"

## [1] "fBodyAcc_kurtosis___Y"

## [1] "fBodyAcc_skewness___Z"

## [1] "fBodyAcc_kurtosis___Z"

## [1] "fBodyAcc_bandsEnergy___1_8"

## [1] "fBodyAcc_bandsEnergy___9_16"

## [1] "fBodyAcc_bandsEnergy___17_24"

## [1] "fBodyAcc_bandsEnergy___25_32"

## [1] "fBodyAcc_bandsEnergy___33_40"

## [1] "fBodyAcc_bandsEnergy___41_48"

## [1] "fBodyAcc_bandsEnergy___49_56"

## [1] "fBodyAcc_bandsEnergy___57_64"

## [1] "fBodyAcc_bandsEnergy___1_16"

## [1] "fBodyAcc_bandsEnergy___17_32"

## [1] "fBodyAcc_bandsEnergy___33_48"

## [1] "fBodyAcc_bandsEnergy___49_64"

## [1] "fBodyAcc_bandsEnergy___1_24"

## [1] "fBodyAcc_bandsEnergy___25_48"

## [1] "fBodyAcc_bandsEnergy___1_8"

## [1] "fBodyAcc_bandsEnergy___9_16"

## [1] "fBodyAcc_bandsEnergy___17_24"

## [1] "fBodyAcc_bandsEnergy___25_32"

## [1] "fBodyAcc_bandsEnergy___33_40"

## [1] "fBodyAcc_bandsEnergy___41_48"

## [1] "fBodyAcc_bandsEnergy___49_56"

## [1] "fBodyAcc_bandsEnergy___57_64"

## [1] "fBodyAcc_bandsEnergy___1_16"

## [1] "fBodyAcc_bandsEnergy___17_32"

## [1] "fBodyAcc_bandsEnergy___33_48"

## [1] "fBodyAcc_bandsEnergy___49_64"

## [1] "fBodyAcc_bandsEnergy___1_24"

## [1] "fBodyAcc_bandsEnergy___25_48"

## [1] "fBodyAcc_bandsEnergy___1_8"

## [1] "fBodyAcc_bandsEnergy___9_16"

## [1] "fBodyAcc_bandsEnergy___17_24"

## [1] "fBodyAcc_bandsEnergy___25_32"

## [1] "fBodyAcc_bandsEnergy___33_40"

## [1] "fBodyAcc_bandsEnergy___41_48"

## [1] "fBodyAcc_bandsEnergy___49_56"

## [1] "fBodyAcc_bandsEnergy___57_64"

## [1] "fBodyAcc_bandsEnergy___1_16"

## [1] "fBodyAcc_bandsEnergy___17_32"

## [1] "fBodyAcc_bandsEnergy___33_48"

## [1] "fBodyAcc_bandsEnergy___49_64"

## [1] "fBodyAcc_bandsEnergy___1_24"

## [1] "fBodyAcc_bandsEnergy___25_48"

## [1] "fBodyAccJerk_mean___X"

## [1] "fBodyAccJerk_mean___Y"

## [1] "fBodyAccJerk_mean___Z"

## [1] "fBodyAccJerk_std___X"

## [1] "fBodyAccJerk_std___Y"

## [1] "fBodyAccJerk_std___Z"

## [1] "fBodyAccJerk_mad___X"

## [1] "fBodyAccJerk_mad___Y"

## [1] "fBodyAccJerk_mad___Z"

## [1] "fBodyAccJerk_max___X"

## [1] "fBodyAccJerk_max___Y"

## [1] "fBodyAccJerk_max___Z"

## [1] "fBodyAccJerk_min___X"

## [1] "fBodyAccJerk_min___Y"

## [1] "fBodyAccJerk_min___Z"

## [1] "fBodyAccJerk_sma__"

## [1] "fBodyAccJerk_energy___X"

## [1] "fBodyAccJerk_energy___Y"

## [1] "fBodyAccJerk_energy___Z"

## [1] "fBodyAccJerk_iqr___X"

## [1] "fBodyAccJerk_iqr___Y"

## [1] "fBodyAccJerk_iqr___Z"

## [1] "fBodyAccJerk_entropy___X"

## [1] "fBodyAccJerk_entropy___Y"

## [1] "fBodyAccJerk_entropy___Z"

## [1] "fBodyAccJerk_maxInds_X"

## [1] "fBodyAccJerk_maxInds_Y"

## [1] "fBodyAccJerk_maxInds_Z"

## [1] "fBodyAccJerk_meanFreq___X"

## [1] "fBodyAccJerk_meanFreq___Y"

## [1] "fBodyAccJerk_meanFreq___Z"

## [1] "fBodyAccJerk_skewness___X"

## [1] "fBodyAccJerk_kurtosis___X"

## [1] "fBodyAccJerk_skewness___Y"

## [1] "fBodyAccJerk_kurtosis___Y"

## [1] "fBodyAccJerk_skewness___Z"

## [1] "fBodyAccJerk_kurtosis___Z"

## [1] "fBodyAccJerk_bandsEnergy___1_8"

## [1] "fBodyAccJerk_bandsEnergy___9_16"

## [1] "fBodyAccJerk_bandsEnergy___17_24"

## [1] "fBodyAccJerk_bandsEnergy___25_32"

## [1] "fBodyAccJerk_bandsEnergy___33_40"

## [1] "fBodyAccJerk_bandsEnergy___41_48"

## [1] "fBodyAccJerk_bandsEnergy___49_56"

## [1] "fBodyAccJerk_bandsEnergy___57_64"

## [1] "fBodyAccJerk_bandsEnergy___1_16"

## [1] "fBodyAccJerk_bandsEnergy___17_32"

## [1] "fBodyAccJerk_bandsEnergy___33_48"

## [1] "fBodyAccJerk_bandsEnergy___49_64"

## [1] "fBodyAccJerk_bandsEnergy___1_24"

## [1] "fBodyAccJerk_bandsEnergy___25_48"

## [1] "fBodyAccJerk_bandsEnergy___1_8"

## [1] "fBodyAccJerk_bandsEnergy___9_16"

## [1] "fBodyAccJerk_bandsEnergy___17_24"

## [1] "fBodyAccJerk_bandsEnergy___25_32"

## [1] "fBodyAccJerk_bandsEnergy___33_40"

## [1] "fBodyAccJerk_bandsEnergy___41_48"

## [1] "fBodyAccJerk_bandsEnergy___49_56"

## [1] "fBodyAccJerk_bandsEnergy___57_64"

## [1] "fBodyAccJerk_bandsEnergy___1_16"

## [1] "fBodyAccJerk_bandsEnergy___17_32"

## [1] "fBodyAccJerk_bandsEnergy___33_48"

## [1] "fBodyAccJerk_bandsEnergy___49_64"

## [1] "fBodyAccJerk_bandsEnergy___1_24"

## [1] "fBodyAccJerk_bandsEnergy___25_48"

## [1] "fBodyAccJerk_bandsEnergy___1_8"

## [1] "fBodyAccJerk_bandsEnergy___9_16"

## [1] "fBodyAccJerk_bandsEnergy___17_24"

## [1] "fBodyAccJerk_bandsEnergy___25_32"

## [1] "fBodyAccJerk_bandsEnergy___33_40"

## [1] "fBodyAccJerk_bandsEnergy___41_48"

## [1] "fBodyAccJerk_bandsEnergy___49_56"

## [1] "fBodyAccJerk_bandsEnergy___57_64"

## [1] "fBodyAccJerk_bandsEnergy___1_16"

## [1] "fBodyAccJerk_bandsEnergy___17_32"

## [1] "fBodyAccJerk_bandsEnergy___33_48"

## [1] "fBodyAccJerk_bandsEnergy___49_64"

## [1] "fBodyAccJerk_bandsEnergy___1_24"

## [1] "fBodyAccJerk_bandsEnergy___25_48"

## [1] "fBodyGyro_mean___X"

## [1] "fBodyGyro_mean___Y"

## [1] "fBodyGyro_mean___Z"

## [1] "fBodyGyro_std___X"

## [1] "fBodyGyro_std___Y"

## [1] "fBodyGyro_std___Z"

## [1] "fBodyGyro_mad___X"

## [1] "fBodyGyro_mad___Y"

## [1] "fBodyGyro_mad___Z"

## [1] "fBodyGyro_max___X"

## [1] "fBodyGyro_max___Y"

## [1] "fBodyGyro_max___Z"

## [1] "fBodyGyro_min___X"

## [1] "fBodyGyro_min___Y"

## [1] "fBodyGyro_min___Z"

## [1] "fBodyGyro_sma__"

## [1] "fBodyGyro_energy___X"

## [1] "fBodyGyro_energy___Y"

## [1] "fBodyGyro_energy___Z"

## [1] "fBodyGyro_iqr___X"

## [1] "fBodyGyro_iqr___Y"

## [1] "fBodyGyro_iqr___Z"

## [1] "fBodyGyro_entropy___X"

## [1] "fBodyGyro_entropy___Y"

## [1] "fBodyGyro_entropy___Z"

## [1] "fBodyGyro_maxInds_X"

## [1] "fBodyGyro_maxInds_Y"

## [1] "fBodyGyro_maxInds_Z"

## [1] "fBodyGyro_meanFreq___X"

## [1] "fBodyGyro_meanFreq___Y"

## [1] "fBodyGyro_meanFreq___Z"

## [1] "fBodyGyro_skewness___X"

## [1] "fBodyGyro_kurtosis___X"

## [1] "fBodyGyro_skewness___Y"

## [1] "fBodyGyro_kurtosis___Y"

## [1] "fBodyGyro_skewness___Z"

## [1] "fBodyGyro_kurtosis___Z"

## [1] "fBodyGyro_bandsEnergy___1_8"

## [1] "fBodyGyro_bandsEnergy___9_16"

## [1] "fBodyGyro_bandsEnergy___17_24"

## [1] "fBodyGyro_bandsEnergy___25_32"

## [1] "fBodyGyro_bandsEnergy___33_40"

## [1] "fBodyGyro_bandsEnergy___41_48"

## [1] "fBodyGyro_bandsEnergy___49_56"

## [1] "fBodyGyro_bandsEnergy___57_64"

## [1] "fBodyGyro_bandsEnergy___1_16"

## [1] "fBodyGyro_bandsEnergy___17_32"

## [1] "fBodyGyro_bandsEnergy___33_48"

## [1] "fBodyGyro_bandsEnergy___49_64"

## [1] "fBodyGyro_bandsEnergy___1_24"

## [1] "fBodyGyro_bandsEnergy___25_48"

## [1] "fBodyGyro_bandsEnergy___1_8"

## [1] "fBodyGyro_bandsEnergy___9_16"

## [1] "fBodyGyro_bandsEnergy___17_24"

## [1] "fBodyGyro_bandsEnergy___25_32"

## [1] "fBodyGyro_bandsEnergy___33_40"

## [1] "fBodyGyro_bandsEnergy___41_48"

## [1] "fBodyGyro_bandsEnergy___49_56"

## [1] "fBodyGyro_bandsEnergy___57_64"

## [1] "fBodyGyro_bandsEnergy___1_16"

## [1] "fBodyGyro_bandsEnergy___17_32"

## [1] "fBodyGyro_bandsEnergy___33_48"

## [1] "fBodyGyro_bandsEnergy___49_64"

## [1] "fBodyGyro_bandsEnergy___1_24"

## [1] "fBodyGyro_bandsEnergy___25_48"

## [1] "fBodyGyro_bandsEnergy___1_8"

## [1] "fBodyGyro_bandsEnergy___9_16"

## [1] "fBodyGyro_bandsEnergy___17_24"

## [1] "fBodyGyro_bandsEnergy___25_32"

## [1] "fBodyGyro_bandsEnergy___33_40"

## [1] "fBodyGyro_bandsEnergy___41_48"

## [1] "fBodyGyro_bandsEnergy___49_56"

## [1] "fBodyGyro_bandsEnergy___57_64"

## [1] "fBodyGyro_bandsEnergy___1_16"

## [1] "fBodyGyro_bandsEnergy___17_32"

## [1] "fBodyGyro_bandsEnergy___33_48"

## [1] "fBodyGyro_bandsEnergy___49_64"

## [1] "fBodyGyro_bandsEnergy___1_24"

## [1] "fBodyGyro_bandsEnergy___25_48"

## [1] "fBodyAccMag_mean__"

## [1] "fBodyAccMag_std__"

## [1] "fBodyAccMag_mad__"

## [1] "fBodyAccMag_max__"

## [1] "fBodyAccMag_min__"

## [1] "fBodyAccMag_sma__"

## [1] "fBodyAccMag_energy__"

## [1] "fBodyAccMag_iqr__"

## [1] "fBodyAccMag_entropy__"

## [1] "fBodyAccMag_maxInds"

## [1] "fBodyAccMag_meanFreq__"

## [1] "fBodyAccMag_skewness__"

## [1] "fBodyAccMag_kurtosis__"

## [1] "fBodyBodyAccJerkMag_mean__"

## [1] "fBodyBodyAccJerkMag_std__"

## [1] "fBodyBodyAccJerkMag_mad__"

## [1] "fBodyBodyAccJerkMag_max__"

## [1] "fBodyBodyAccJerkMag_min__"

## [1] "fBodyBodyAccJerkMag_sma__"

## [1] "fBodyBodyAccJerkMag_energy__"

## [1] "fBodyBodyAccJerkMag_iqr__"

## [1] "fBodyBodyAccJerkMag_entropy__"

## [1] "fBodyBodyAccJerkMag_maxInds"

## [1] "fBodyBodyAccJerkMag_meanFreq__"

## [1] "fBodyBodyAccJerkMag_skewness__"

## [1] "fBodyBodyAccJerkMag_kurtosis__"

## [1] "fBodyBodyGyroMag_mean__"

## [1] "fBodyBodyGyroMag_std__"

## [1] "fBodyBodyGyroMag_mad__"

## [1] "fBodyBodyGyroMag_max__"

## [1] "fBodyBodyGyroMag_min__"

## [1] "fBodyBodyGyroMag_sma__"

## [1] "fBodyBodyGyroMag_energy__"

## [1] "fBodyBodyGyroMag_iqr__"

## [1] "fBodyBodyGyroMag_entropy__"

## [1] "fBodyBodyGyroMag_maxInds"

## [1] "fBodyBodyGyroMag_meanFreq__"

## [1] "fBodyBodyGyroMag_skewness__"

## [1] "fBodyBodyGyroMag_kurtosis__"

## [1] "fBodyBodyGyroJerkMag_mean__"

## [1] "fBodyBodyGyroJerkMag_std__"

## [1] "fBodyBodyGyroJerkMag_mad__"

## [1] "fBodyBodyGyroJerkMag_max__"

## [1] "fBodyBodyGyroJerkMag_min__"

## [1] "fBodyBodyGyroJerkMag_sma__"

## [1] "fBodyBodyGyroJerkMag_energy__"

## [1] "fBodyBodyGyroJerkMag_iqr__"

## [1] "fBodyBodyGyroJerkMag_entropy__"

## [1] "fBodyBodyGyroJerkMag_maxInds"

## [1] "fBodyBodyGyroJerkMag_meanFreq__"

## [1] "fBodyBodyGyroJerkMag_skewness__"

## [1] "fBodyBodyGyroJerkMag_kurtosis__"

## [1] "angle_tBodyAccMean_gravity_"

## [1] "angle_tBodyAccJerkMean__gravityMean_"

## [1] "angle_tBodyGyroMean_gravityMean_"

## [1] "angle_tBodyGyroJerkMean_gravityMean_"

## [1] "angle_X_gravityMean_"

## [1] "angle_Y_gravityMean_"

## [1] "angle_Z_gravityMean_"

## [1] "subject"